Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4528336 | Method for preventing polymer scale deposition in polymerization of ethylenically unsaturated monomers | Shunichi Koyanagi, Hajime Kitamura, Toshihide Shimizu | 1985-07-09 |
| 4272622 | Method for preventing polymer scale deposition in the polymerization of an ethylenically unsaturated monomer in an aqueous medium | Hajime Kitamura, Toshihide Shimizu | 1981-06-09 |